Dell OpenManage Server Administrator Version 9.2.1 User guide
- Type
- User guide
Dell EMC Server Administrator Storage
Management 9.2.1
User’s Guide
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
© 2019 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks
may be trademarks of their respective owners.
2019 - 02
Rev. A00
Contents
1 Overview.......................................................................................................................................................12
What Is New In This Release...........................................................................................................................................12
Before Installing Storage Management..........................................................................................................................12
Version Requirements For Controller Firmware And Drivers.................................................................................12
Supported Controllers................................................................................................................................................ 13
Support For Disk And Volume Management...........................................................................................................14
2 Getting Started............................................................................................................................................ 15
Launching Storage Management................................................................................................................................... 15
On Systems Running Microsoft Windows...............................................................................................................15
On A System Running Linux And Any Remote System......................................................................................... 16
User Privileges.................................................................................................................................................................. 16
Using The Graphical User Interface............................................................................................................................... 16
Storage Object............................................................................................................................................................16
Health...........................................................................................................................................................................16
Information Or Conguration.....................................................................................................................................17
Using The Storage Management Command-Line Interface........................................................................................17
Displaying The Online Help.............................................................................................................................................. 17
Common Storage Tasks................................................................................................................................................... 17
3 Understanding RAID concepts......................................................................................................................18
RAID................................................................................................................................................................................... 18
Hardware and software RAID....................................................................................................................................18
RAID concepts............................................................................................................................................................ 18
RAID Levels................................................................................................................................................................. 19
Organizing Data Storage For Availability And Performance........................................................................................ 19
Choosing RAID Levels And Concatenation....................................................................................................................19
Concatenation............................................................................................................................................................ 20
RAID level 0 - striping.................................................................................................................................................21
RAID level 1 - mirroring...............................................................................................................................................21
RAID level 5 -striping with distributed parity..........................................................................................................22
RAID level 6 - striping with additional distributed parity....................................................................................... 23
RAID level 50 - striping over RAID 5 sets............................................................................................................... 23
RAID level 60 - striping over RAID 6 sets............................................................................................................... 24
RAID level 10 - striped-mirrors................................................................................................................................. 25
Comparing RAID Level And Concatenation Performance.......................................................................................... 26
No-RAID............................................................................................................................................................................ 27
4 Quick Access To Storage Status And Tasks..................................................................................................28
Storage Health................................................................................................................................................................. 28
Hot Spare Protection Policy........................................................................................................................................... 28
Storage Component Severity......................................................................................................................................... 28
Contents
3
Storage Properties And Current Activity...................................................................................................................... 29
Alerts Or Events...............................................................................................................................................................29
Monitoring Disk Reliability On RAID Controllers........................................................................................................... 29
Using Alarms To Detect Failures.....................................................................................................................................30
Time Delay In Displaying Conguration Changes......................................................................................................... 30
5 PCI Express Solid-State Device Support...................................................................................................... 31
PCIe SSD........................................................................................................................................................................... 31
PCIe SSD Features........................................................................................................................................................... 31
PCIe SSD Subsystem Properties....................................................................................................................................31
Physical Device Properties..............................................................................................................................................32
Physical Device Tasks......................................................................................................................................................35
Blinking And Unblinking A PCIe SSD....................................................................................................................... 35
Preparing To Remove A PCIe SSD.......................................................................................................................... 35
Exporting The Log..................................................................................................................................................... 36
Performing A Cryptographic Erase On An NVMe PCIe SSD............................................................................... 36
PCIe SSD In Slot Card Tasks.......................................................................................................................................... 36
To Locate Cryptographic Erase In Storage Management For A PCIe SSD In Slot Card................................... 37
PCIe SSD Subsystem Health.......................................................................................................................................... 37
Backplanes.................................................................................................................................................................. 37
Backplane Firmware Version.....................................................................................................................................37
6 Storage Information And Global Tasks......................................................................................................... 38
Storage Properties...........................................................................................................................................................38
Global Tasks...................................................................................................................................................................... 38
Setting the Remaining Rated Write Endurance Threshold................................................................................... 38
Setting the Available Spare Threshold.....................................................................................................................39
Storage Controller Properties.........................................................................................................................................40
Storage Components................................................................................................................................................. 41
7 Controllers................................................................................................................................................... 42
Controller...........................................................................................................................................................................42
RAID Controller Technology - SATA And SAS.............................................................................................................. 42
SAS RAID Controllers................................................................................................................................................ 43
RAID Controller Features................................................................................................................................................ 43
Controller — Supported RAID Levels............................................................................................................................43
Controller — Supported Stripe Sizes............................................................................................................................44
RAID Controller Read, Write, Cache, And Disk Cache Policy..................................................................................... 44
Read Policy................................................................................................................................................................. 44
Write Policy................................................................................................................................................................. 44
Cache Policy............................................................................................................................................................... 45
Disk Cache Policy.......................................................................................................................................................45
Background Initialization On PERC Controllers............................................................................................................46
Non-RAID Controller Description...................................................................................................................................46
Non-RAID SAS Controllers....................................................................................................................................... 46
Firmware Or Driver Versions...........................................................................................................................................47
4
Contents
Firmware Or Driver Properties..................................................................................................................................47
Controller Health.............................................................................................................................................................. 48
Controller Components............................................................................................................................................. 48
Controllers Properties And Tasks................................................................................................................................... 48
Controller Tasks................................................................................................................................................................52
Creating A Virtual Disk.............................................................................................................................................. 53
Enabling The Controller Alarm..................................................................................................................................53
Disabling The Controller Alarm................................................................................................................................. 53
Turning O The Controller Alarm.............................................................................................................................53
Testing The Controller Alarm....................................................................................................................................53
Setting The Rebuild Rate..........................................................................................................................................53
Resetting The Controller Conguration.................................................................................................................. 54
Exporting The Controller Log File............................................................................................................................ 55
Foreign Conguration Operations............................................................................................................................55
Importing Foreign Congurations.............................................................................................................................57
Importing Or Recovering Foreign Congurations.................................................................................................. 58
Clearing Foreign Conguration.................................................................................................................................59
Physical Disks In Foreign Virtual Disks.....................................................................................................................59
Setting Background Initialization Rate.....................................................................................................................62
Setting The Check Consistency Rate..................................................................................................................... 62
Setting The Reconstruct Rate................................................................................................................................. 63
Setting The Patrol Read Mode.................................................................................................................................63
Starting And Stopping Patrol Read..........................................................................................................................64
Changing The Controller Properties........................................................................................................................65
Managing The Physical Disk Power.........................................................................................................................66
Managing The Preserved Cache..............................................................................................................................68
Encryption Key........................................................................................................................................................... 68
Converting To Non-RAID Disks.................................................................................................................................71
Converting To RAID Capable Disks...........................................................................................................................71
Changing The Controller Mode.................................................................................................................................71
Auto Congure RAID0 Operation.............................................................................................................................72
System Conguration Lock Down Mode...................................................................................................................... 73
Global Tasks Supported When System Conguration Lock Down Mode Is On................................................. 73
Controller Tasks Supported When System Conguration Lock Down Mode Is On...........................................75
Controller Reports Supported When System Conguration Lock Down Mode Is On.......................................75
Physical Disk Tasks Supported When System Conguration Lock Down Mode Is On......................................77
Virtual Disk Tasks Supported When System Conguration Lock Down Mode Is On.........................................77
Viewing Available Reports ..............................................................................................................................................78
Available Reports........................................................................................................................................................78
Viewing Patrol Read Report......................................................................................................................................78
Viewing Check Consistency Report........................................................................................................................ 78
Setting The Redundant Path Conguration........................................................................................................... 79
Viewing Slot Occupancy Report.............................................................................................................................. 80
Viewing Physical Disk Firmware Version Report.................................................................................................... 80
Physical Disk Firmware Version Report Properties.................................................................................................81
Contents
5
8 Support For PERC 9 and PERC 10 Hardware Controllers.............................................................................83
Support For RAID Level 10 Virtual Disk Creation On PERC 9 and PERC 10 Hardware Controllers...................... 83
RAID Level 10 Virtual Disk Creation With Uneven Span........................................................................................84
Support For Advanced Format 4KB Sector Hard-Disk Drives...................................................................................84
Hot Spare Considerations — 4KBSector Hard-Disk Drives.................................................................................85
Reconguration Considerations — 4KB Sector Hard-Disk Drives......................................................................85
9 Support for BOSS-S1 RAID Controllers....................................................................................................... 86
10 Enclosures And Backplanes........................................................................................................................ 87
Backplanes........................................................................................................................................................................ 87
Flexible Backplane Zoning......................................................................................................................................... 87
Enclosures......................................................................................................................................................................... 87
MX5016s.....................................................................................................................................................................88
Enclosure Physical Disks........................................................................................................................................... 89
Enclosure Fans........................................................................................................................................................... 89
Fan Properties............................................................................................................................................................ 89
Enclosure Power Supplies.........................................................................................................................................90
Power Supply Properties.......................................................................................................................................... 90
Enclosure Temperature Probes................................................................................................................................ 90
Enclosure Management Modules.............................................................................................................................92
Enclosure And Backplane Health............................................................................................................................. 94
Enclosure And Backplane Properties And Tasks.................................................................................................... 94
Enclosure Management.................................................................................................................................................. 98
Identifying An Open Connector On The Enclosure..................................................................................................... 98
Enclosure Components................................................................................................................................................... 99
11 Connectors................................................................................................................................................100
Channel Redundancy.....................................................................................................................................................100
Creating A Channel-Redundant Virtual Disk...............................................................................................................100
Creating A Physical Disk For Channel Redundant Virtual Disks On PERC Controllers.................................... 101
Creating A Channel-Redundant Virtual Disk Using RAID 10................................................................................ 101
Creating A Channel-Redundant Virtual Disk Using RAID 50............................................................................... 101
Connector Health............................................................................................................................................................101
Controller Information...............................................................................................................................................101
Connector Components...........................................................................................................................................101
Connector Properties And Tasks...................................................................................................................................101
Logical Connector Properties And Tasks.....................................................................................................................102
Path Health............................................................................................................................................................... 103
Clearing The Connectors Redundant Path View..................................................................................................103
Connector Components.......................................................................................................................................... 103
12 Tape Drive.................................................................................................................................................104
Tape Drive Properties.....................................................................................................................................................104
6
Contents
13 RAID Controller Batteries..........................................................................................................................105
Battery Properties And Tasks....................................................................................................................................... 105
Battery Tasks.................................................................................................................................................................. 106
To Locate Delay Learn Cycle In Storage Management..............................................................................................106
14 Physical Disks Or Physical Devices............................................................................................................107
Guidelines To Replace A Physical Disk Or Physical Device........................................................................................107
Adding A New Disk To The System.............................................................................................................................. 107
For SAS Controllers..................................................................................................................................................108
Replacing A Physical Disk Receiving SMART Alerts.................................................................................................. 108
Disk Is Part Of A Redundant Virtual Disk.............................................................................................................. 108
Disk Is Not Part Of A Redundant Virtual Disk.......................................................................................................108
Other Disk Procedures...................................................................................................................................................109
Physical Disk Or Physical Device Properties...............................................................................................................109
Physical Disk Or Physical Device Tasks........................................................................................................................ 113
Physical Disk Tasks..........................................................................................................................................................113
Blinking And Unblinking A Physical Disk ................................................................................................................ 113
Removing Dead Segments.......................................................................................................................................114
Preparing To Remove................................................................................................................................................114
Rebuilding Data..........................................................................................................................................................114
Canceling A Rebuild.................................................................................................................................................. 114
Assigning And Unassigning Global Hot Spare........................................................................................................115
Setting The Physical Disk Online Or Oine...........................................................................................................115
Performing A Clear Physical Disk And Cancel Clear............................................................................................. 116
Enabling Revertible Hot Spare.................................................................................................................................116
Performing Cryptographic Erase............................................................................................................................. 117
Convert To RAID Capable Disk................................................................................................................................ 118
Convert To Non-RAID Disk...................................................................................................................................... 118
15 Virtual Disks.............................................................................................................................................. 119
Considerations Before Creating Virtual Disks............................................................................................................. 120
Virtual Disk Considerations For Controllers...........................................................................................................120
Virtual Disk Considerations On Systems Running Linux.......................................................................................121
Number Of Physical Disks Per Virtual Disk............................................................................................................ 121
Number Of Virtual Disks Per Controller.................................................................................................................122
Calculation For Maximum Virtual Disk Size........................................................................................................... 122
Channel-Redundant Virtual Disks...........................................................................................................................122
Creating Virtual Disks..................................................................................................................................................... 123
Reconguring Or Migrating Virtual Disks.................................................................................................................... 123
Starting And Target RAID Levels For Virtual Disk Reconguration And Capacity Expansion............................... 123
Maintaining The Integrity Of Redundant Virtual Disks...............................................................................................125
Rebuilding Redundant Information............................................................................................................................... 125
Managing Virtual Disk Bad Block Management..........................................................................................................125
Recommendations For Clearing Bad Blocks............................................................................................................... 126
Virtual Disk Properties And Tasks................................................................................................................................. 127
Contents
7
Virtual Disk Properties..............................................................................................................................................127
Virtual Disk Tasks...................................................................................................................................................... 129
Virtual Disk — Available Tasks......................................................................................................................................129
Reconguring A Virtual Disk....................................................................................................................................130
Format, Initialize, Slow, And Fast Initialize............................................................................................................. 130
Canceling Background Initialization........................................................................................................................130
Restoring Dead Segments.......................................................................................................................................130
Deleting Data On the Virtual Disk...........................................................................................................................130
Performing A Check Consistency........................................................................................................................... 131
Cancelling A Check Consistency............................................................................................................................. 131
Pausing A Check Consistency................................................................................................................................. 131
Resuming A Check Consistency..............................................................................................................................131
Blinking And Unblinking A Virtual Disk.................................................................................................................... 131
Renaming A Virtual Disk........................................................................................................................................... 131
Canceling A Rebuild..................................................................................................................................................132
Changing The Virtual Disk Policy............................................................................................................................ 132
Replacing A Member Disk....................................................................................................................................... 132
Clearing Virtual Disk Bad Blocks............................................................................................................................. 132
Encrypting A Virtual Disk......................................................................................................................................... 132
Create Virtual Disk Express Wizard..............................................................................................................................133
Create Virtual Disk Express Wizard Step 2..................................................................................................................134
Create Virtual Disk Advanced Wizard.......................................................................................................................... 134
Create Virtual Disk Advanced Wizard Step 2..............................................................................................................136
Create Virtual Disk Advanced Wizard Step 3.............................................................................................................. 137
Span Edit......................................................................................................................................................................... 139
To Recongure A Virtual Disk - Step 1 of 3................................................................................................................. 139
To locate Recongure In Storage Management......................................................................................................... 139
Virtual Disk Task - Recongure Step 2 of 3................................................................................................................ 140
To Recongure A Virtual Disk Expand Virtual Disk Capacity - Step 2 of 3.............................................................. 141
Virtual Disk Task - Recongure Step 3 of 3................................................................................................................. 141
Slow And Fast Initialize................................................................................................................................................... 141
Considerations For Slow Initialize............................................................................................................................141
Formatting Or Initializing A Disk....................................................................................................................................142
To Locate Virtual Disks Task In Storage Management.........................................................................................142
Deleting A Virtual Disk....................................................................................................................................................142
To Delete A Virtual Disk............................................................................................................................................142
To Locate Delete In Storage Management............................................................................................................ 143
Renaming A Virtual Disk.................................................................................................................................................143
To Rename A Virtual Disk........................................................................................................................................ 143
To Locate Rename In Storage Management.........................................................................................................143
Changing The Policy Of A Virtual Disk.........................................................................................................................143
Changing The Read, Write, Or Disk Cache Policy Of A Virtual Disk.................................................................. 144
To Locate Change Policy In Storage Management ............................................................................................. 144
Split Mirror.......................................................................................................................................................................144
Splitting A Mirror...................................................................................................................................................... 144
8
Contents
To Locate Split Mirror In Storage Management ...................................................................................................144
Unmirror...........................................................................................................................................................................144
To Unmirror............................................................................................................................................................... 145
To Locate Unmirror In Storage Management........................................................................................................145
Assigning And Unassigning Dedicated Hot Spare...................................................................................................... 145
Assigning A Dedicated Hot Spare...........................................................................................................................145
Unassigning A Dedicated Hot Spare...................................................................................................................... 146
To Locate Assign Or Unassign Dedicated Hot Spare In Storage Management................................................146
Virtual Disk Task - Replace Member Disk Step 1 of 2................................................................................................ 146
Replacing A Member Disk Step 1 of 2....................................................................................................................146
To Locate Replace Member Disk In Storage Management................................................................................. 147
Virtual Disk Task - Replace Member Disk Step 2 of 2................................................................................................147
16 Moving Physical And Virtual Disks From One System To Another............................................................. 148
Required Conditions....................................................................................................................................................... 148
SAS Controllers.........................................................................................................................................................148
SAS Controller ......................................................................................................................................................... 148
Migrating SAS Virtual Disks To Another System........................................................................................................ 148
17 Protecting Your Virtual Disk With A Hot Spare.......................................................................................... 149
Understanding Hot Spares............................................................................................................................................149
Setting Hot Spare Protection Policy............................................................................................................................ 149
Dedicated Hot Spare Protection Policy................................................................................................................. 149
Global Hot Spare Protection Policy........................................................................................................................150
Considerations For Hot Spare Protection Policy.................................................................................................. 150
Considerations For Enclosure Anity....................................................................................................................150
18 Troubleshooting......................................................................................................................................... 151
Common Troubleshooting Procedures......................................................................................................................... 151
Cables Attached Correctly....................................................................................................................................... 151
System Requirements...............................................................................................................................................151
Drivers And Firmware............................................................................................................................................... 151
Isolate Hardware Problems......................................................................................................................................152
Replacing A Failed Disk............................................................................................................................................152
Using The Physical Disk Online Command On Select Controllers......................................................................153
Recovering From Removing The Wrong Physical Disk........................................................................................153
Resolving Microsoft Windows Upgrade Problems...............................................................................................154
Virtual Disk Troubleshooting..........................................................................................................................................154
A Rebuild Does Not Work........................................................................................................................................154
A Rebuild Completes With Errors........................................................................................................................... 154
Cannot Create A Virtual Disk.................................................................................................................................. 155
A Virtual Disk Of Minimum Size Is Not Visible To Windows Disk Management............................................... 155
Virtual Disk Errors On Systems Running Linux..................................................................................................... 155
Problems Associated With Using The Same Physical Disks For Both Redundant And Non-Redundant
Virtual Disks...............................................................................................................................................................156
Specic Problem Situations And Solutions................................................................................................................. 156
Contents
9
Physical Disk Is Oine Or Displays An Error Status.............................................................................................156
Receive A Bad Block Alert With Replacement, Sense, Or Medium Error......................................................... 156
Alerts 2146 Through 2150 Received During A Rebuild Or While A Virtual Disk Is Degraded...........................157
Alerts 2146 Through 2150 Received While Performing IO, Consistency Check, Format, Or Other
Operation................................................................................................................................................................... 157
Read And Write Operations Experience Problems............................................................................................... 157
A Task Menu Option Is Not Displayed.................................................................................................................... 157
A Corrupt Disk Or Drive Message Suggests Running Autocheck During A Reboot........................................158
Erroneous Status And Error Messages After A Windows Hibernation..............................................................158
Storage Management May Delay Before Updating Temperature Probe Status...............................................158
Storage Management May Delay Displaying Storage Devices After Reboot....................................................158
You Are Unable To Log Into A Remote System.....................................................................................................158
Cannot Connect To Remote System Running Microsoft Windows Server 2003............................................ 158
Reconguring A Virtual Disk Displays Error In Mozilla Browser..........................................................................159
Physical Disks Are Displayed Under The Connector Object Instead Of The Enclosure Object......................159
PCIe SSD Troubleshooting............................................................................................................................................ 159
Peripheral Component Interconnect Express Solid-State Drive Is Not Visible In The Operating System.....159
PCIe SSD Is Not Visible In Disk Management In The Operating System.......................................................... 160
19 Frequently Asked Questions...................................................................................................................... 161
Why Is A Rebuild Not Working.......................................................................................................................................161
How To Avoid Removing The Wrong Disk....................................................................................................................161
How Can I Safely Remove Or Replace A Physical Disk.............................................................................................. 161
How Do I Recover From Removing The Wrong Physical Disk..................................................................................162
How Do I Identify The Firmware Version That Is Installed.........................................................................................162
Which Controllers Do I Have......................................................................................................................................... 162
Which RAID Level Is Best For Me................................................................................................................................ 162
20 Supported Features..................................................................................................................................163
Supported Features On PERC Hardware Controllers................................................................................................163
Controller Tasks Supported On PERC Hardware Controllers................................................................................... 164
Battery Tasks Supported On PERC Hardware Controllers....................................................................................... 169
Connector Tasks Supported By PERC Hardware Controllers...................................................................................170
Physical Disk Tasks Supported By PERC Hardware Controllers...............................................................................170
Virtual Disk Tasks Supported By PERC Hardware Controllers..................................................................................173
Virtual Disk Specications For PERC Hardware Controllers..................................................................................... 176
RAID Levels Supported By PERC Hardware Controllers...........................................................................................182
Read, Write, Cache And Disk Cache Policy Supported By PERC Hardware Controllers...................................... 184
Supported Features On The PERC Software RAID Controllers............................................................................... 186
Supported Features On PERC Software RAID Controllers.................................................................................186
Controller Tasks Supported On The PERC Software RAID Controllers............................................................ 186
Physical Disk Tasks Supported By The PERC Software RAID Controllers........................................................187
Virtual Disk Tasks Supported By The PERC Software Controllers.....................................................................188
Virtual Disk Specications For PERC Software RAID Controllers......................................................................189
RAID Levels Supported By The PERC Software RAID Controllers.....................................................................191
Read Write Cache And Disk Cache Policy Supported By The PERC Software RAID Controllers................. 192
10
Contents
Enclosure Support On The PERC Software RAID Controllers........................................................................... 193
21 Determining The Health Status For Storage Components......................................................................... 194
Health Status Rollup - Battery Is Charging Or Dead..................................................................................................194
Health Status Rollup - Physical Disks In A Virtual Disk Are Failed Or Removed.....................................................195
Health Status Rollup - Physical Disks In A Virtual Disk Are Unsupported, Partially, Or Permanently Degraded 195
Health Status Rollup - All Physical Disks In A Virtual Disk Are In Foreign State..................................................... 195
Health Status Rollup - Some Physical Disks In A Virtual Disk Are In Foreign State............................................... 196
Health Status Rollup - Virtual Disk Is Degraded, Physical Disks Are Failed Or Rebuilding.................................... 196
Health Status Rollup - Virtual Disk Is Failed................................................................................................................ 196
Health Status Rollup - Unsupported Firmware Version............................................................................................. 197
Health Status Rollup - Enclosure Power Supply Failed Or Power Connection Removed..................................... 197
Health Status Rollup - One Enclosure EMM Is Failed................................................................................................ 197
Health Status Rollup - Lost Both Power Connections To The Enclosure............................................................... 198
Health Status Rollup - One Or More Physical Disks Are Failed................................................................................ 198
Health Status Rollup - Physical Disk Is Rebuilding..................................................................................................... 198
Contents 11
Overview
Server Administrator Storage Management provides enhanced features for conguring the locally attached RAID and non-RAID disk
storage on a system. Storage Management enables you to perform controller and enclosure functions for all supported RAID and non-RAID
controllers and enclosures from a single graphical user interface (GUI) or command-line interface (CLI). The GUI is wizard-driven and
includes features for novice and advanced users. The CLI is fully featured and scriptable. Using Storage Management, you can protect your
data by conguring data-redundancy, assigning hot spares, or rebuilding failed physical disks. All users of Storage Management should be
familiar with their storage environment and Storage Management.
Storage Management supports SATA and SAS, but not Fibre Channel.
For information on Storage Management alerts, see the Server Administrator Messages Reference Guide at dell.com/
openmanagemanuals.
Topics:
• What Is New In This Release
• Before Installing Storage Management
What Is New In This Release
This release of Storage Management provides the following new features:
• Support for the following operating systems:
– Microsoft Windows 2019 server.
NOTE
: For the list of supported operating systems and servers, go to dell.com/openmanagemanuals, browse to OpenManage
Software, then access the required version of the
OpenManage Software Support Matrix
document.
Before Installing Storage Management
The following sections describe considerations for installing Storage Management.
Version Requirements For Controller Firmware And Drivers
For Storage Management to function properly, the controllers must have the minimum required version of the rmware and drivers
installed. The rmware and drivers listed in the Server Administrator Release Notes refer to the minimum supported version for these
controllers. Later versions of the rmware and drivers are also supported. For the most recent driver and rmware requirements, contact
your service provider.
NOTE
: To download the latest storport driver, see the Microsoft Knowledge Base article KB943545 at support.microsoft.com.
If you install Storage Management without the minimum required rmware and drivers, Storage Management may not be able to display the
controllers or perform other functions. Storage Management generates alerts 2131 and 2132 when it detects unsupported rmware or
drivers on a controller.
For information on alert messages, see the Server Administrator Messages Reference Guide.
1
12 Overview
Supported Controllers
NOTE: The rmware and drivers listed in the
Server Administrator Release Notes
refer to the minimum supported version for
these controllers. Later versions of the rmware and drivers are also supported. For the most recent driver and rmware
requirements, contact your service provider.
This release of Storage Management supports the following controllers.
Supported RAID Controllers
Storage Management supports the following RAID controllers. For information on the technology used by the supported RAID controllers,
see RAID Controller Technology: SATA and SAS.
• PERC S100, PERC S110, PERC S130, S140 and PERC S300
• PERC H200 Adapter, PERC H200 Integrated, and PERC H200 Modular
• PERC H800 Adapter, PERC H700 Adapter, PERC H700 Integrated, and PERC H700 Modular
• PERC H310 Adapter, PERC H310 Mini Monolithic, PERC H310 Mini Blades, PERC H710 Adapter, PERC H710 Monolithic, PERC H710
Mini Monolithic, PERC H710P Adapter, PERC H710P Monolithic, PERC H710P Mini Monolithic, and PERC H810 Adapter
• PERC H330 Adapter, PERC H330 Mini Monolithic, PERC H330 Mini Blades, PERC H330 Embedded, PERC H730 Adapter, PERC H730
Mini Monolithic, PERC H730 Mini Blades, PERC H730P Adapter, PERC H730P Mini Monolithic, PERC H730P Mini Blades, PERC
H730P Slim, and PERC H830 Adapter
• PERC H840 Adapters
• PERC H740P Adapter, PERC H740P Mini Monolithic
• PERC FD33xD/FD33xS
• PERC H730P MX
• PERC H745P MX
NOTE
: The PERC H200, PERC H7x0, and PERC H8x0 controllers support 3TB NL SAS hard drives, 3TB NL SATA hard drives,
SATA SSDs, and SAS SSDs.
NOTE: The order of the controllers displayed on Storage Management may dier with the order of the controllers displayed in
the Human Interface (HII) and PERC Option ROM. The order of the controllers does not cause any limitation.
Supported Non-RAID Controllers
Storage Management supports the following non-RAID controllers:
• SAS 6 Gbps Host Bus Adapter (HBA)
• Broadcom SAS 9207-8e
• Broadcom SAS 9300-8e
• Broadcom SAS 9206-16e
• SAS 12 Gbps HBA
• HBA 330
• HBA 330 MX
• HBA 330 MMZ
NOTE
: Storage Management only enumerates and provides the PCI slot information for Broadcom SAS 9207-8e, SAS 9300-8e
and SAS 9206-16e controllers. As Storage Management does not monitor these non-RAID controllers, devices connected to
these controllers are not enumerated, alerts are not logged, and SNMP traps are not sent for these controllers.
NOTE: In Storage Management, the Broadcom SAS HBA controller page display properties such as: ID, Status, Name, Slot ID,
State, Driver Version, Storport Driver Version, Number of Connectors, and Controller Tasks.
Overview 13
NOTE: When a backplane without an expander (passive backplane) is connected to an HBA 330 controller, the enumeration of
the physical disks is split between Connector 0 and Connector 1. For example, if the passive backplane is populated with a
maximum of eight physical disks, the rst four physical disks are listed under Connector 0 and the remaining four physical disks
are listed under Connector 1. You will be able to view all the eight physical disks only if both bays are connected. If one bay is
connected, only the physical disks associated with that bay are displayed.
NOTE: For SAS 12 Gbps HBA and HBA 330 controller, the Available Reports that can be viewed are View Slot Occupancy Report
and View Physical Disk Firmware Version Report.
NOTE: A logical connector is displayed under the HBA 330 controller, and all the physical disks will be detected under this logical
connector.
NOTE: At times, the connector ID for SAS 12 Gbps HBA may not be displayed correctly on Storage Management. This occurs
because of a rmware limitation in the SAS 12 Gbps HBA. However, this connector ID discrepancy does not cause any functional
limitation.
Support For Disk And Volume Management
Storage Management does not provide disk and volume management. To implement disk and volume management, you must use the
native disk and volume management utilities provided by your operating system.
14 Overview
Getting Started
Server Administrator Storage Management is designed for system administrators who implement hardware RAID solutions and understand
corporate and small business storage environments.
Storage Management enables you to congure the storage components attached to your system. These components include RAID and
non-RAID controllers and the channels, ports, enclosures, and disks attached to them. Using Storage Management, you can congure and
manage the controller functions without accessing the BIOS. These functions include conguring virtual disks and applying RAID levels and
hot spares for data protection. You can initiate many other controller functions like rebuilds, troubleshooting, setting thresholds. Most
functions can be congured and managed while the system remains online and continues to process requests.
Storage Management reports the status of storage components. When the status for a component changes, Storage Management
updates the display for that component and sends an alert to the Alert Log.
In addition to status changes, Storage Management generates alerts for user actions such as creating or deleting a virtual disk and for
many other events. Most alerts also generate SNMP traps.
Other than monitoring and reporting status, Storage Management does not automatically initiate actions independent of user input.
Storage Management actions are user-initiated using wizards and drop-down menus. Storage Management does, however, report the
actions taken by the controllers, which include generating alerts, initiating tasks, such as a rebuild, and making state changes.
NOTE
: Storage Management reports the change in state of disks and other storage components as viewed by the controller.
Topics:
• Launching Storage Management
• User Privileges
• Using The Graphical User Interface
• Using The Storage Management Command-Line Interface
• Displaying The Online Help
• Common Storage Tasks
Launching Storage Management
Storage Management is installed as a Server Administrator service. All Storage Management features are accessible by selecting the
Storage object in the Server Administrator tree view. For more information on starting Server Administrator, see the Server Administrator
User’s Guide
On Systems Running Microsoft Windows
To start a Server Administrator session on a local system running Microsoft Windows operating system, click the Server Administrator icon
on your desktop and log in using an account with Administrator privileges.
NOTE
: Administrative privileges are required for conguration purposes.
2
Getting Started 15
On A System Running Linux And Any Remote System
To start a Server Administrator session on a Linux or any remote system, click the Server Administrator icon on your desktop and log in
using an account with Administrator privileges.
Or, open a web browser and type one of the following in the address eld and press <Enter>:
https://<localhost>:1311
where <localhost> is the assigned name for the managed system and 1311 is the default port.
or
https://<IP address>:1311
where <IP address> is the IP address for the managed system and 1311 is the default port.
NOTE: Type https:// (not http://) in the address eld to receive a valid response in your browser.
User Privileges
Server Administrator provides security through the User, Power User, and Administrator user groups. Each user group is assigned a
dierent level of access to the Server Administrator features.
The Administrator privileges are required to access all Storage Management features. Administrator privilege allows you to execute the
drop-down menu tasks, launch wizards, and use the omcong storage command-line interface commands. Without Administrator
privileges, you cannot manage and congure the storage component.
User and Power User privileges allow you to view storage status, but not manage or congure storage. With User and Power User
privileges, you can use the omreport storage command and not the omcong storage command.
For more information on user groups and other Server Administrator security features, see the Server Administrator User’s Guide.
Using The Graphical User Interface
The following sections describe how to access the Storage Management features using the Server Administrator graphical user interface
(GUI).
Storage Object
The Server Administrator tree view displays a Storage object. The Storage Management features are accessible by selecting the Storage
object or expanding the Storage object and selecting a lower-level object.
Health
On the Properties page, click Health to view the status information for the storage components.
16
Getting Started
Information Or Conguration
On the Properties page, click Information/Conguration to view the property information for a storage object. The Information/
Conguration subtabs also have options for executing storage tasks or launching wizards.
Using The Storage Management Command-Line
Interface
Storage Management has a fully featured command-line interface (CLI). For more information on CLI, see the Server Administrator
Command Line Interface User’s Guide.
Displaying The Online Help
Storage Management provides an extensive online Help. This Help is available from the Server Administrator graphical user interface when
the Storage or lower-level tree view object is selected.
The online Help is available as:
• Context-sensitive Help — Each Storage Management page has a icon. Click this icon to display the context-sensitive online
Help that describes the contents of the displayed page.
• Table of Contents — The table of contents is available in the page that displays the information when you access the context-sensitive
Help.
Common Storage Tasks
This section provides information on commonly performed storage tasks:
• Create and congure virtual disks (RAID conguration). For more information, see:
– Create Virtual Disk Express Wizard — This topic provides information on using the Express Wizard to create a virtual disk. Using
the Express Wizard is the quickest method for creating a virtual disk. The Express Wizard is appropriate for novice users.
– Create Virtual Disk Advanced Wizard — This topic provides information on using the Advanced Wizard to create a virtual disk. The
Advanced Wizard requires a good knowledge of RAID levels and hardware and is appropriate for advanced users.
– Virtual Disks — This topic provides detailed information regarding the virtual disk management. This information includes controller-
specic considerations that aect virtual disk creation and management.
• Assign a hot spare to the virtual disk — When a virtual disk uses a RAID level, you can assign a hot spare (backup physical disk) to
rebuild data if a physical disk in the virtual disk fails.
– Protecting Your Virtual Disk With A Hot Spare — This topic provides information on hot spares and controller-specic information.
• Perform a Check Consistency — The Maintaining The Integrity Of Redundant Virtual Disks task veries the accuracy of the redundant
data on a virtual disk.
• Recongure a Virtual Disk — To expand the capacity of a virtual disk you can add physical disks to the virtual disk. You can also change
the RAID levels. For more information, see Virtual Disk Task: Recongure (Step 1 of 3).
Getting Started
17
Understanding RAID concepts
Storage Management uses the Redundant Array of Independent Disks (RAID) technology to provide Storage Management capability.
Understanding Storage Management requires an understanding of RAID concepts, as well as some familiarity with how the RAID controllers
and operating system view disk space on your system.
Topics:
• RAID
• Organizing Data Storage For Availability And Performance
• Choosing RAID Levels And Concatenation
• Comparing RAID Level And Concatenation Performance
• No-RAID
RAID
RAID is a technology for managing the storage of data on the physical disks that reside or are attached to the system. A key aspect of
RAID is the ability to span physical disks so that the combined storage capacity of multiple physical disks can be treated as a single,
extended disk space. Another key aspect of RAID is the ability to maintain redundant data which can be used to restore data in the event of
a disk failure. RAID uses dierent techniques, such as striping, mirroring, and parity, to store and reconstruct data. There are dierent RAID
levels that use dierent methods for storing and reconstructing data. The RAID levels have dierent characteristics in terms of read/write
performance, data protection, and storage capacity. Not all RAID levels maintain redundant data, which means for some RAID levels lost
data cannot be restored. The RAID level you choose depends on whether your priority is performance, protection, or storage capacity.
NOTE
: The RAID Advisory Board (RAB) denes the specications used to implement RAID. Although RAB denes the RAID
levels, commercial implementation of RAID levels by dierent vendors may vary from the actual RAID specications. An
implementation of a particular vendor may aect the read and write performance and the degree of data redundancy.
Hardware and software RAID
RAID can be implemented with either hardware or software. A system using hardware RAID has a RAID controller that implements the RAID
levels and processes data reads and writes to the physical disks. When using software RAID provided by the operating system, the
operating system implements the RAID levels. For this reason, using software RAID by itself can slow the system performance. You can,
however, use software RAID along with hardware RAID volumes to provide better performance and variety in the conguration of RAID
volumes. For example, you can mirror a pair of hardware RAID 5 volumes across two RAID controllers to provide RAID controller
redundancy.
RAID concepts
RAID uses particular techniques for writing data to disks. These techniques enable RAID to provide data redundancy or better performance.
These techniques include:
• Mirroring — Duplicating data from one physical disk to another physical disk. Mirroring provides data redundancy by maintaining two
copies of the same data on dierent physical disks. If one of the disks in the mirror fails, the system can continue to operate using the
unaected disk. Both sides of the mirror contain the same data always. Either side of the mirror can act as the operational side. A
mirrored RAID disk group is comparable in performance to a RAID 5 disk group in read operations but faster in write operations.
3
18 Understanding RAID concepts
• Striping — Disk striping writes data across all physical disks in a virtual disk. Each stripe consists of consecutive virtual disk data
addresses that are mapped in xed-size units to each physical disk in the virtual disk using a sequential pattern. For example, if the
virtual disk includes ve physical disks, the stripe writes data to physical disks one through ve without repeating any of the physical
disks. The amount of space consumed by a stripe is the same on each physical disk. The portion of a stripe that resides on a physical
disk is a stripe element. Striping by itself does not provide data redundancy. Striping in combination with parity does provide data
redundancy.
• Stripe size — The total disk space consumed by a stripe not including a parity disk. For example, consider a stripe that contains 64KB
of disk space and has 16KB of data residing on each disk in the stripe. In this case, the stripe size is 64KB and the stripe element size is
16KB.
• Stripe element — A stripe element is the portion of a stripe that resides on a single physical disk.
• Stripe element size — The amount of disk space consumed by a stripe element. For example, consider a stripe that contains 64KB of
disk space and has 16KB of data residing on each disk in the stripe. In this case, the stripe element size is 16KB and the stripe size is
64KB.
• Parity — Parity refers to redundant data that is maintained using an algorithm in combination with striping. When one of the striped
disks fails, the data can be reconstructed from the parity information using the algorithm.
• Span — A span is a RAID technique used to combine storage space from groups of physical disks into a RAID 10, 50, or 60 virtual disk.
RAID Levels
Each RAID level uses some combination of mirroring, striping, and parity to provide data redundancy or improved read and write
performance. For specic information on each RAID level, see Choosing RAID Levels And Concatenation.
Organizing Data Storage For Availability And
Performance
RAID provides dierent methods or RAID levels for organizing the disk storage. Some RAID levels maintain redundant data so that you can
restore data after a disk failure. Dierent RAID levels also entail an increase or decrease in the I/O (read and write) performance of a
system.
Maintaining redundant data requires the use of additional physical disks. The possibility of a disk failure increases with an increase in the
number of disks. Since the dierences in I/O performance and redundancy, one RAID level may be more appropriate than another based on
the applications in the operating environment and the nature of the data being stored.
When choosing concatenation or a RAID level, the following performance and cost considerations apply:
• Availability or fault-tolerance — Availability or fault-tolerance refers to the ability of a system to maintain operations and provide access
to data even when one of its components has failed. In RAID volumes, availability or fault-tolerance is achieved by maintaining
redundant data. Redundant data includes mirrors (duplicate data) and parity information (reconstructing data using an algorithm).
• Performance — Read and write performance can be increased or decreased depending on the RAID level you choose. Some RAID
levels may be more appropriate for particular applications.
• Cost eciency — Maintaining the redundant data or parity information associated with RAID volumes requires additional disk space. In
situations where the data is temporary, easily reproduced, or non-essential, the increased cost of data redundancy may not be justied.
• Mean Time Between Failure (MTBF) — Using additional disks to maintain data redundancy also increases the chance of disk failure at
any given moment. Although this option cannot be avoided in situations where redundant data is a requirement, it does have
implications on the workload of the system support sta within your organization.
• Volume — Volume refers to a single disk non-RAID virtual disk. You can create volumes using external utilities like the O-ROM <Ctrl>
<r>. Storage Management does not support the creation of volumes. However, you can view volumes and use drives from these
volumes for creation of new virtual disks or Online Capacity Expansion (OCE) of existing virtual disks, provided free space is available.
Storage Management allows Rename and Delete operations on such volumes.
Choosing RAID Levels And Concatenation
You can use RAID or concatenation to control data storage on multiple disks. Each RAID level or concatenation has dierent performance
and data protection characteristics.
Understanding RAID concepts
19
The following topics provide specic information on how each RAID level or concatenation store data as well as their performance and
protection characteristics:
• Concatenation
• RAID Level 0 (Striping)
• RAID Level 1 (Mirroring)
• RAID Level 5 (Striping With Distributed Parity)
• RAID Level 6 (Striping With Additional Distributed Parity)
• RAID Level 50 (Striping Over RAID 5 Sets)
• RAID Level 60 (Striping Over RAID 6 Sets)
• RAID Level 10 (Striping Over Mirror Sets)
• Comparing RAID Level And Concatenation Performance
• No-RAID
Concatenation
In Storage Management, concatenation refers to storing data on either one physical disk or on disk space that spans multiple physical disks.
When spanning more than one disk, concatenation enables the operating system to view multiple physical disks as a single disk. Data stored
on a single disk can be considered a simple volume. This disk could also be dened as a virtual disk that comprises only a single physical
disk.
Data that spans more than one physical disk can be considered a spanned volume. Multiple concatenated disks can also be dened as a
virtual disk that comprises more than one physical disk.
A dynamic volume that spans to separate areas of the same disk is also considered concatenated.
When a physical disk in a concatenated or spanned volume fails, the entire volume becomes unavailable. Because the data is not redundant,
it cannot be restored by rebuilding from a mirrored disk or parity information. Restoring from a backup is the only option.
Because concatenated volumes do not use disk space to maintain redundant data, they are more cost-ecient than volumes that use
mirrors or parity information. A concatenated volume may be a good choice for data that is temporary, easily reproduced, or that does not
justify the cost of data redundancy. In addition, a concatenated volume can easily be expanded by adding an additional physical disk.
• Concatenates n disks as one large virtual disk with a capacity of n disks.
20
Understanding RAID concepts
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